package cn.zcib.tms.config;


import cn.zcib.tms.model.User;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter(filterName = "visitFilter", urlPatterns = {"/book", "/order", "/manager/*"})
public class VisitFilter implements Filter {


    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        User user = (User) request.getSession().getAttribute("user");
        if (user == null) {
            if (request.getRequestURI().contains("/manager/")) {
                request.setAttribute("message", "您还未登录，请先登录！");
                request.getRequestDispatcher("/admin/").forward(request, response);
            } else {
                request.setAttribute("message", "您还未登录，请先登录！");
                request.getRequestDispatcher("/tologin").forward(request, response);
            }
        } else {
            filterChain.doFilter(request, response);
        }
    }

    @Override
    public void destroy() {

    }
}

